Sep 20 03:28:01.086 INFO checking floyd-warshall-0.0.3 against master#1e21c9a297a9fe668d62887a3a6a4add8e717b17 for pr-54352
Sep 20 03:28:01.086 INFO running: cargo +1e21c9a297a9fe668d62887a3a6a4add8e717b17-alt check --frozen --all --all-targets
Sep 20 03:28:01.086 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-6/pr-54352/master#1e21c9a297a9fe668d62887a3a6a4add8e717b17:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54352/worker-6/master#1e21c9a297a9fe668d62887a3a6a4add8e717b17:/target:rw,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "CMD=cargo +1e21c9a297a9fe668d62887a3a6a4add8e717b17-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 20 03:28:01.220 INFO blam! 5554f00a5f6b366bcab90216cedcd588b9e0c8c3e8144b0f1604296b4cf08f7a
Sep 20 03:28:01.222 INFO running `"docker" "start" "-a" "5554f00a5f6b366bcab90216cedcd588b9e0c8c3e8144b0f1604296b4cf08f7a"`
Sep 20 03:28:02.128 INFO kablam! usermod: no changes
Sep 20 03:28:02.168 INFO kablam!     Checking floyd-warshall v0.0.3 (/source)
Sep 20 03:28:02.371 INFO kablam! warning: unused import: `std::fmt`
Sep 20 03:28:02.371 INFO kablam!  --> src/matrices.rs:1:5
Sep 20 03:28:02.371 INFO kablam!   |
Sep 20 03:28:02.371 INFO kablam! 1 | use std::fmt;
Sep 20 03:28:02.371 INFO kablam!   |     ^^^^^^^^
Sep 20 03:28:02.371 INFO kablam!   |
Sep 20 03:28:02.371 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 20 03:28:02.371 INFO kablam! 
Sep 20 03:28:02.371 INFO kablam! warning: unused import: `std::fmt::Debug`
Sep 20 03:28:02.371 INFO kablam!  --> src/matrices.rs:2:5
Sep 20 03:28:02.371 INFO kablam!   |
Sep 20 03:28:02.371 INFO kablam! 2 | use std::fmt::Debug;
Sep 20 03:28:02.371 INFO kablam!   |     ^^^^^^^^^^^^^^^
Sep 20 03:28:02.371 INFO kablam! 
Sep 20 03:28:02.484 INFO kablam! warning: unused import: `std::fmt`
Sep 20 03:28:02.484 INFO kablam!  --> src/matrices.rs:1:5
Sep 20 03:28:02.484 INFO kablam!   |
Sep 20 03:28:02.484 INFO kablam! 1 | use std::fmt;
Sep 20 03:28:02.484 INFO kablam!   |     ^^^^^^^^
Sep 20 03:28:02.484 INFO kablam!   |
Sep 20 03:28:02.484 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 20 03:28:02.484 INFO kablam! 
Sep 20 03:28:02.484 INFO kablam! warning: unused import: `std::fmt::Debug`
Sep 20 03:28:02.484 INFO kablam!  --> src/matrices.rs:2:5
Sep 20 03:28:02.484 INFO kablam!   |
Sep 20 03:28:02.484 INFO kablam! 2 | use std::fmt::Debug;
Sep 20 03:28:02.484 INFO kablam!   |     ^^^^^^^^^^^^^^^
Sep 20 03:28:02.484 INFO kablam! 
Sep 20 03:28:02.490 INFO kablam! warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
Sep 20 03:28:02.490 INFO kablam!  --> src/lib.rs:4:12
Sep 20 03:28:02.490 INFO kablam!   |
Sep 20 03:28:02.490 INFO kablam! 4 | #![feature(conservative_impl_trait)]
Sep 20 03:28:02.490 INFO kablam!   |            ^^^^^^^^^^^^^^^^^^^^^^^
Sep 20 03:28:02.490 INFO kablam!   |
Sep 20 03:28:02.490 INFO kablam!   = note: #[warn(stable_features)] on by default
Sep 20 03:28:02.490 INFO kablam! 
Sep 20 03:28:02.694 INFO kablam! warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
Sep 20 03:28:02.694 INFO kablam!  --> src/lib.rs:4:12
Sep 20 03:28:02.694 INFO kablam!   |
Sep 20 03:28:02.694 INFO kablam! 4 | #![feature(conservative_impl_trait)]
Sep 20 03:28:02.694 INFO kablam!   |            ^^^^^^^^^^^^^^^^^^^^^^^
Sep 20 03:28:02.694 INFO kablam!   |
Sep 20 03:28:02.694 INFO kablam!   = note: #[warn(stable_features)] on by default
Sep 20 03:28:02.694 INFO kablam! 
Sep 20 03:28:02.719 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.58s
Sep 20 03:28:02.724 INFO kablam! su: No module specific data is present
Sep 20 03:28:03.210 INFO running `"docker" "rm" "-f" "5554f00a5f6b366bcab90216cedcd588b9e0c8c3e8144b0f1604296b4cf08f7a"`
Sep 20 03:28:03.309 INFO blam! 5554f00a5f6b366bcab90216cedcd588b9e0c8c3e8144b0f1604296b4cf08f7a